Viscera

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Rate with open abdominal cavity and internal organs designed. Down, the uterus with fetuses.

A viscera (from the Latin uiscera, "viscera") is an organ contained in the main cavities of the human and animal body. The viscera are internal organs that derive embryologically from the mesoderm or endoderm.

The splanchnic cavities are the thorax, abdomen, and pelvis. The part of anatomy that studies the viscera is splanchnology.

Viscera

Viscus is considered to be any structure of the human body that is surrounded by a serous bag, as is the case of the pericardium, the pleura, the testicles structure.

Classification

Depending on the anatomical or structural constitution, there are two large groups of viscera:

  • Solid or parenchymatous vases: These are the visceras that present two parts well differentiated in their anatomical constitution, such as the estroma (supply tissue, which represents the interstitial frame) and the parenchyma (functional tissue or noble tissue of the viscera that gives it the type of function) and is also formed by the envelope capsule that protects it.
  • Hollow, membranous or canalicular vehicles: These are the visceras that have hollow sac morphology and which will be covered by a series of structural layers or robes. The coats or layers that present the hollow viscera are from external to internal:
- Serosa layer
- Muscle layer (constituted by smooth muscle)
- Submucosa layer
- Mucous hood

Splanchnology

The splanchnology (from the Greek splagkhnon, "viscera", and logos, "treatise") It is the part of systematic anatomy that deals with the scientific study of the viscera, placing special emphasis on the description of the digestive, respiratory, urinary and genital systems.

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